Different person invests same study time on different course, the results that its obtain finally is different for certain, report can have to the mark notch the difference of on any account.

不同的人在不同学科上投入相同的学习时间，其最后获得的收获肯定是不同的，反映到分数上就会有得分高低的差别。

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The report averaged response time data for the sites from 12 difference cities over regular daily time increments in February.

FORBES: MySpace's Response Time Slowest Among Social Networks